Improvement in hoisting apparatus



G. B. KEELER, OF PORT CHESTER, NEW YORK.

IMPROVEMENT IN HOISTING APPARATUS;

Specification forming part of Letters .Patent NO. 68,992, datedSeptember 17, 1867.

To au whom it may concern:

Be it known that I, G. B. KEELER, of Port Chester, in the county ofWestchester and State of New York, have invented a new and usefulImprovement in Hoisting Apparatus 5 and I do hereby declare that thefollowing is a full, clear, and exact description thereof, which willenable others skilled in the art to make and use the same, referencebeing had to the accompanying drawings, forming part of thisspecification, in which- Figure 1 is a plan ortop view of myirnprovements in hoisting apparatus; Fig. 2, a vertical section taken inthe plane of the line m w, Fig. l; and Fig. 3, a transverse verticalsection taken in the plane of the line y y, Fig. 1.

Similar letters of reference indicate correspondin g parts.

A in the drawings represents a frame-work, which, in the presentinstance, is made of a square shape, and consists of parallel sidepieces, B, joined together at each end by crosspieces O; D, a shaft hungin bearings of side pieces, B, across from one to the other of which itis extended. This shaft D, fronione-half of its length, is made of aconical or tapering shape, and has at one end a crank, E, applied i forconvenience in turning it. F, 'another f shafthung in the side pieces,B, in a line parallel to shaft D. This shaft F, at one portion,

has a drum, G, keyed to it, and between itsf l end H and a looseconical-shaped drum, I, is. y

hung a loose pulley or wheel, J. K, a pinion xed to shaft F at the sideof pulley toward l and N, belts connecting shafts D and E.

Having thus described my invention, what I l claim as new, and desire tosecure by Letters: 1

Patent, is-

The combination of the shafts D and F,`f l

having drums, pulleys, and pinions, and constructed substantially as andfor the purpose described.

The above specification of my invention1ll1 signed by me this 24th dayof May, 1867.`

Witnesses:

WM. F. MCNAMARA, ALEX. F. ROBERTS.

e. EKEELEE.` 1

